<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <ul id="list">
    
  </ul>
  <script>
    var arr = [
      {"name":"小明","age":12,"sex":"男"},
      {"name":"小红","age":11,"sex":"女"},
      {"name":"小强","age":13,"sex":"男"},
    ]

    var list = document.getElementById('list');

    for(var i = 0;i<arr.length;i++){
      //每遍历一项都要用DOM去创建list标签
      let oLi = document.createElement('li');
      //创建hd这个div
      let hdDiv = document.createElement('div');
      hdDiv.className = 'hd';
      hdDiv.innerText = arr[i].name + '的基本信息';
      //创建bd这个div
      let bdDiv = document.createElement('div');
      bdDiv.className = 'bd';
      //创建三个p
      let p1 = document.createElement('p');
      p1.innerText = '姓名:' + arr[i].name;
      bdDiv.appendChild(p1)
      let p2 = document.createElement('p');
      p2.innerText = '年龄:' + arr[i].age;
      bdDiv.appendChild(p2)
      let p3 = document.createElement('p');
      p3.innerText = '性别:' + arr[i].sex;
      bdDiv.appendChild(p3)


      //创建的节点是孤儿节点，必须上树才能被用户看见
      oLi.appendChild(hdDiv);
      //创建的节点是孤儿节点，必须上树才能被用户看见
      oLi.appendChild(bdDiv);
      //创建的节点是孤儿节点，必须上树才能被用户看见
      list.appendChild(oLi);
    }
  </script>
</body>
</html>